One vertex per element, one color per generator, with an edge from x to x·s.
(1,2,3,4)(5,6)(7,9)(8,10)(11,12)(13,14,18,23)(15,26,17,20)(16,21,32,39)(19,24,35,25)(22,29,37,28)(27,42,31,36)(30,44,43,38)(33,40,34,41)(1,2)(3,4)(5,7,8,11)(6,9,10,12)(13,15)(14,20)(16,30)(17,18)(19,29)(21,38)(22,24)(23,26)(25,37)(27,33)(28,35)(31,34)(32,43)(36,40)(39,44)(41,42)(6,10)(9,12)(13,16)(14,21)(15,27)(17,31)(18,32)(19,34)(20,36)(22,38)(23,39)(24,41)(25,40)(26,42)(28,43)(29,30)(33,35)(37,44) involution — undirected(2,4)(13,17,18,15)(14,22,23,37)(16,31,32,27)(19,29,35,28)(20,25,26,24)(21,38,39,44)(30,33,43,34)(36,40,42,41)A Cayley diagram is a choice, not a fact about the group. Another drawing of this group — in a book, or on a different generating set — may look nothing like this one.